package com.android.sgzcommon.hardware.bluetooth;

import android.Manifest;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.util.Log;

import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Set;

import androidx.annotation.RequiresPermission;

/**
 * 蓝牙配对工具类
 */

public class BluetoothUtils {

    @RequiresPermission(Manifest.permission.BLUETOOTH)
    public static BluetoothDevice hasBlueConnect(BluetoothAdapter mBtAdapter) {
        Set<BluetoothDevice> pairedDevices = mBtAdapter.getBondedDevices();
        if (pairedDevices.size() > 0) {
            for (BluetoothDevice device : pairedDevices) {
                boolean isConnected = isConnect(device);
                if (isConnected) {
                    return device;
                }
            }
        }
        return null;
    }

    static public boolean isConnect(BluetoothDevice device) {
        boolean isConnected = false;
        try {
            Method isConnectedMethod = null;
            isConnectedMethod = BluetoothDevice.class.getDeclaredMethod("isConnected", (Class[]) null);
            isConnectedMethod.setAccessible(true);
            isConnected = (boolean) isConnectedMethod.invoke(device, (Object[]) null);
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        }
        return isConnected;
    }

    /**
     * 与设备配对 参考源码：platform/packages/apps/Settings.git
     * /Settings/src/com/android/settings/bluetooth/CachedBluetoothDevice.java
     */
    static public boolean createBond(Class<?> btClass, BluetoothDevice btDevice) throws Exception {
        Method createBondMethod = btClass.getMethod("createBond");
        Boolean returnValue = (Boolean) createBondMethod.invoke(btDevice);
        return returnValue.booleanValue();
    }

    /**
     * 与设备解除配对 参考源码：platform/packages/apps/Settings.git
     * /Settings/src/com/android/settings/bluetooth/CachedBluetoothDevice.java
     */
    static public boolean removeBond(Class<?> btClass, BluetoothDevice btDevice) throws Exception {
        Method removeBondMethod = btClass.getMethod("removeBond");
        Boolean returnValue = (Boolean) removeBondMethod.invoke(btDevice);
        return returnValue.booleanValue();
    }

    static public boolean setPin(Class<? extends BluetoothDevice> btClass, BluetoothDevice btDevice, String str) {
        try {
            Method removeBondMethod = btClass.getDeclaredMethod("setPin", byte[].class);
            Boolean returnValue = (Boolean) removeBondMethod.invoke(btDevice, new Object[]{str.getBytes()});
            Log.e("returnValue", "" + returnValue);
        } catch (SecurityException e) {
            // throw new RuntimeException(e.getMessage());
            e.printStackTrace();
        } catch (IllegalArgumentException e) {
            // throw new RuntimeException(e.getMessage());
            e.printStackTrace();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return true;

    }

    // 取消用户输入
    static public boolean cancelPairingUserInput(Class<?> btClass, BluetoothDevice device) throws Exception {
        Method createBondMethod = btClass.getMethod("cancelPairingUserInput");
        //        cancelBondProcess(btClass, device);
        Boolean returnValue = (Boolean) createBondMethod.invoke(device);
        return returnValue.booleanValue();
    }

    // 取消配对
    static public boolean cancelBondProcess(Class<?> btClass, BluetoothDevice device) throws Exception {
        Method createBondMethod = btClass.getMethod("cancelBondProcess");
        Boolean returnValue = (Boolean) createBondMethod.invoke(device);
        return returnValue.booleanValue();
    }

    //确认配对

    static public void setPairingConfirmation(Class<?> btClass, BluetoothDevice device, boolean isConfirm) throws Exception {
        Method setPairingConfirmation = btClass.getDeclaredMethod("setPairingConfirmation", boolean.class);
        setPairingConfirmation.invoke(device, isConfirm);
    }


    /**
     * @param clsShow
     */
    static public void printAllInform(Class clsShow) {
        try {
            // 取得所有方法
            Method[] hideMethod = clsShow.getMethods();
            int i = 0;
            for (; i < hideMethod.length; i++) {
                Log.e("method name", hideMethod[i].getName() + ";and the i is:" + i);
            }
            // 取得所有常量
            Field[] allFields = clsShow.getFields();
            for (i = 0; i < allFields.length; i++) {
                Log.e("Field name", allFields[i].getName());
            }
        } catch (SecurityException e) {
            // throw new RuntimeException(e.getMessage());
            e.printStackTrace();
        } catch (IllegalArgumentException e) {
            // throw new RuntimeException(e.getMessage());
            e.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
